Web platform features explorer

Upgrade insecure requests

The Upgrade-Insecure-Requests HTTP request header tells the server that the response should redirect to a secure (HTTPS) resource.

Status

Baseline Widely Available (since 2020-10-30)

MDN documentation

Specifications

Browser support

  • Chrome 44 Released on 2015-07-21
  • Chrome Android 44 Released on 2015-07-29
  • Edge 17 Released on 2018-04-30
  • Firefox 48 Released on 2016-08-02
  • Firefox for Android 48 Released on 2016-08-02
  • Safari 10.1 Released on 2017-03-27
  • Safari on iOS 10.3 Released on 2017-03-27

Web Platform Tests (WPT)

View the latest WPT test results for this feature

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